[HAM] Leslie working ( sort of) ( 25 and L100 ) follow-up

David Damroze damroze at excite.com
Thu Mar 29 21:49:14 CDT 2007


On Mar 29, 2007, at 5:48 PM, David Damroze wrote:

>
> On Mar 28, 2007, at 6:32 PM, Jerry Fowler wrote:
>
>> Replace the fuse and see if it blows - especially if you just moved 
>> the
>> leslie from one place to another. I've had old fuses blow just from 
>> the
>> shaking around of moving the cabinet.
>>
>> -Jerry
>   Nope , that wasn't it .
>   Took everything apart and cleaned it and Deoxited the tube sockets ,
> pots etc.
  Tried removing replacing tubes and can cap.

  A : all tubes and cap removed - fuse okay
B:  put 12AU7 - fuse blows
C: Swap 12AU7 from L100 tremolo amp section - fuse blows.
  D: remove 12au7 , put 6L6s in -fuse does not blow -pretty tube glow .
E: add can cap with 6L6s - fuse blows -

  so ......??

DD
>   still getting distortion even when bypassing the booster amp.
> DD
>>
>> On 3/28/07, David Damroze <damroze at excite.com> wrote:
>>>
>>> I got the connector hooked into the L100 by basically copying the
>>> connections from the M3.
>>>   I guess that the solution to the electrical being constantly on is
>>> to
>>> plug the organ into a
>>> power strip and just turn the whole thing off when done . Right ?
>>>   Anyway , I fired everything up and the 25 started spinning and
>>> everything was playing okay
>>>   except with a very staticy , as opposed to overdriven ,kind of
>>> distortion and less output than I would have expected.
>>>   (In spit of this, I am now officially hooked on leslies ) .
>>>   So  , I put everything together , move the organ and Leslie back
>>> into
>>> place , vacuum up
>>> the miscellaneous bits of wire insulation and solder splots out of 
>>> the
>>> carpet.
>>>   Pat myself on the back for getting stuff hooked up , turn 
>>> everything
>>> on and
>>> --no more Leslie ( waaah!)
>>> The rotor is spinning but no sound. I check the booster amp - no
>>> pretty
>>> tubes lit up .
>>>   Turns out the fuse is blown.
>>>   So , I disconnect the booster amp and play through the cabinet
>>> connector.
>>>   I get pretty whirly sound , at lower volume of course , but still a
>>> lot of static distortion when
>>>   I push the expression pedal past about half.
>>>   So , some questions -
>>>
>>>   What should I check before replacing the blown fuse in the booster
>>> amp
>>> ?
>>>   What should be my prime suspects for the staticy distortion with 
>>> and
>>> without booster amp ?
>>>
>>>
>>>   David D.
>>>
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>>>
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>
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